Cabinet body of alternating-current metal-enclosed switchgear

Abstract

The utility model belongs to the technical field of switch equipment cabinets, and particularly relates to an AC metal enclosed switch equipment cabinet, which comprises a cabinet body, two sides of the outer wall of the cabinet body are respectively provided with two heat dissipation holes in a symmetrical structure, the inner walls of the two heat dissipation holes are fixedly connected with two heat dissipation frames, the end parts of the two heat dissipation frames extend to the outer side of the cabinet body, and the two heat dissipation frames are fixedly connected with the outer wall of the cabinet body. And drainage grooves are formed in the bottoms of the inner walls of the two heat dissipation frames, the heights of the two drainage grooves are gradually decreased from inside to outside, and mounting holes are formed in the tops of the two heat dissipation frames. The ends of the heat dissipation frame extend to the outer side of the cabinet body, the dustproof net is inserted into the heat dissipation frame, the drainage grooves are formed in the inner wall of the heat dissipation frame, and the heights of the drainage grooves are gradually reduced from inside to outside, so that rainwater can be effectively prevented from permeating into the cabinet body in windy and rainy days; part of rainwater entering the heat dissipation frame can be discharged to the outer side of the cabinet body, so that faults of electrical components in the cabinet body due to the rainwater are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of switchgear cabinets, and more specifically to an AC metal-enclosed switchgear cabinet. Background Art

[0002] AC metal-enclosed switchgear cabinet, commonly known as switchgear, is an important device in the power system for receiving and distributing electric energy and controlling, protecting, monitoring and measuring power circuits. It is enclosed in a metal shell, and except for the inlet and outlet wires, the internal components and circuits are protected by the metal shell. AC metal-enclosed switchgear cabinets can be classified in different ways.

[0003] In the prior art, for example, in the document with publication number CN218102262U, an AC metal-enclosed ring network switch device is specifically disclosed. In the document, the device can facilitate the heat dissipation of the cabinet by installing protective nets on both sides of the cabinet. However, the protective net is close to the cabinet. In windy and rainy weather, rainwater can easily penetrate through the mesh of the protective net and enter the cabinet, which can easily cause malfunctions of the electrical components inside the cabinet. For this reason, we propose an AC metal-enclosed switch device cabinet. Utility Model Content

[0004] Based on the above-mentioned technical problem that "the device in the prior art can facilitate the heat dissipation of the cabinet by installing protective nets on both sides of the cabinet, however, the protective net is close to the cabinet, and in windy and rainy weather, rainwater can easily penetrate through the mesh holes of the protective net and enter the cabinet, which can easily cause malfunctions of electrical components inside the cabinet", the utility model proposes an AC metal-enclosed switchgear cabinet.

[0005] The utility model proposes an AC metal-enclosed switchgear cabinet, comprising a cabinet, wherein two heat dissipation holes are symmetrically arranged on both sides of the outer wall of the cabinet, two heat dissipation holes are fixedly connected to the inner walls of the two heat dissipation holes, the ends of the two heat dissipation frames extend to the outside of the cabinet, drainage grooves are arranged at the bottoms of the inner walls of the two heat dissipation frames, and the heights of the two drainage grooves decrease from the inside to the outside, mounting holes are arranged at the tops of the two heat dissipation frames, card slots are arranged at the bottoms of the inner walls of the two heat dissipation frames, dustproof nets are inserted into the inner walls of the two mounting holes, the bottoms of the two dustproof nets are respectively card-engaged with the inner walls of the card slots, and the tops of the two dustproof nets are fixedly connected to mounting plates.

[0006] Preferably, the bottoms of the inner walls of the two heat dissipation frames are fixedly connected with blocking plates, and the blocking plates are installed at the upper ends of the drainage grooves.

[0007] Preferably, two fixed blocks are fixedly connected in a symmetrical structure on both sides of the cabinet body, a connecting shaft is rotatably connected between the two fixed blocks, the ends of the two connecting shafts pass through the fixed blocks and extend to the outside thereof, torsion springs are sleeved at both ends of the two connecting shafts, and limited sleeves are fixedly connected at both ends of the two connecting shafts, extrusion plates are fixedly connected to the circumferential outer walls of the two connecting shafts, and the bottoms of the two extrusion plates are respectively in extrusion contact with the top of the mounting plate.

[0008] Preferably, one end of the torsion spring is fixedly connected to the limiting sleeve, and the other end of the torsion spring is fixedly connected to the fixing block.

[0009] Preferably, the tops of the two heat dissipation frames are symmetrically structured and fixedly connected to two support rods, the circumferential outer walls of the two support rods are slidably sleeved with connecting sleeves, and waterproof covers are provided on the tops of the two heat dissipation frames, and the bottoms of the two waterproof covers are fixedly connected to the two support rods.

[0010] Preferably, a sun shading plate is fixedly connected to the top of the cabinet, and a cabinet door is hingedly connected to the inner wall of the cabinet.

[0011] The beneficial effects of the present invention are:

[0012] 1. By extending the ends of the heat dissipation frame to the outside of the cabinet, inserting a dustproof net inside the heat dissipation frame, and setting drainage grooves on the inner wall of the heat dissipation frame, the height of the drainage grooves decreases from the inside to the outside, thereby effectively preventing rainwater from penetrating into the cabinet in windy and rainy weather. Through the drainage grooves, part of the rainwater entering the heat dissipation frame can be discharged to the outside of the cabinet, thereby preventing the electrical components inside the cabinet from malfunctioning due to rainwater.

[0013] 2. By pushing the extrusion plate upward, the extrusion plate drives the connecting shaft to rotate, so that the extrusion plate is freed from the extrusion of the mounting plate. At this time, it is convenient for the operator to pull the dustproof net out of the heat dissipation frame. After cleaning, insert the dustproof net through the mounting hole at the top of the heat dissipation frame so that the bottom of the dustproof net is stuck in the slot. Loosen the extrusion plate. Under the torsion force of the torsion spring, the top of the mounting plate can be squeezed by the extrusion plate. The bottom of the dustproof net can be tightly stuck in the heat dissipation frame, which makes it easy for the operator to disassemble and install the dustproof net.

[0014] 3. By providing a blocking plate, rainwater entering the heat dissipation frame can be further blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the cabinet of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation structure of the dustproof net of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the heat dissipation frame of the utility model;

[0019] Figure 5 This is a schematic diagram of the installation structure of the extruded plate of the utility model.

[0020] In the figure: 1. cabinet body; 2. heat dissipation hole; 3. heat dissipation frame; 4. mounting hole; 5. slot; 6. dust screen; 7. mounting plate; 8. fixing block; 9. connecting shaft; 10. extrusion plate; 11. torsion spring; 12. limit sleeve; 13. drainage groove; 14. blocking plate; 15. support rod; 16. connecting sleeve; 17. waterproof cover; 18. cabinet door; 19. sunscreen. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1 , Figure 2 and Figure 3 As shown, an AC metal-enclosed switchgear cabinet comprises a cabinet 1, two heat dissipation holes 2 are respectively arranged on both sides of the outer wall of the cabinet 1 in a symmetrical structure, a sunscreen 19 is fixedly connected to the top of the cabinet 1, a cabinet door 18 is hingedly connected to the inner wall of the cabinet 1, two heat dissipation frames 3 are fixedly connected to the inner walls of the two heat dissipation holes 2, the ends of the two heat dissipation frames 3 extend to the outside of the cabinet 1, drainage grooves 13 are arranged at the bottom of the inner walls of the two heat dissipation frames 3, and the heights of the two drainage grooves 13 decrease from the inside to the outside, mounting holes 4 are arranged at the tops of the two heat dissipation frames 3, card slots 5 are arranged at the bottom of the inner walls of the two heat dissipation frames 3, and the inner walls of the two mounting holes 4 are A dustproof net 6 is inserted, and the bottoms of the two dustproof nets 6 are respectively engaged with the inner walls of the slots 5, and the tops of the two dustproof nets 6 are fixedly connected with mounting plates 7. The ends of the heat dissipation frame 3 are extended to the outside of the cabinet 1, and the dustproof nets 6 are inserted inside the heat dissipation frame 3. At the same time, drainage grooves 13 are arranged on the inner wall of the heat dissipation frame 3, and the height of the drainage grooves 13 decreases from the inside to the outside, thereby effectively preventing rainwater from penetrating into the cabinet 1 in windy and rainy weather. Through the drainage grooves 13, part of the rainwater entering the heat dissipation frame 3 can be discharged to the outside of the cabinet 1, thereby preventing the electrical components inside the cabinet 1 from malfunctioning due to rainwater.

[0023] like Figure 4As shown, the bottom of the inner wall of the two heat dissipation frames 3 are fixedly connected with a blocking plate 14, and the blocking plate 14 is installed at the upper end of the drainage groove 13. By setting the blocking plate 14, rainwater entering the heat dissipation frame 3 can be further blocked.

[0024] like Figure 2 and Figure 5 As shown, two fixing blocks 8 are fixedly connected on both sides of the cabinet 1 in a symmetrical structure, and a connecting shaft 9 is rotatably connected between the two fixing blocks 8. The ends of the two connecting shafts 9 penetrate the fixing blocks 8 and extend to the outside thereof. Torsion springs 11 are sleeved on both ends of the two connecting shafts 9. Limiting sleeves 12 are fixedly connected to both ends of the two connecting shafts 9. Extrusion plates 10 are fixedly connected to the circumferential outer walls of the two connecting shafts 9. The bottoms of the two extrusion plates 10 are respectively in extrusion contact with the top of the mounting plate 7. One end of the torsion spring 11 is fixedly connected to the limiting sleeve 12, and the other end of the torsion spring 11 is fixedly connected to the fixing block 8. By pushing the extrusion upward, Plate 10, so that the extrusion plate 10 drives the connecting shaft 9 to rotate, so that the extrusion plate 10 is separated from the extrusion of the mounting plate 7. At this time, it is convenient for the operator to pull the dustproof net 6 out from the inside of the heat dissipation frame 3. After cleaning, the dustproof net 6 is inserted through the mounting hole 4 at the top of the heat dissipation frame 3, so that the bottom of the dustproof net 6 is stuck in the card slot 5, and the extrusion plate 10 is released. Under the torsion force of the torsion spring 11, at this time, the top of the mounting plate 7 can be squeezed by the extrusion plate 10, so that the bottom of the dustproof net 6 can be tightly stuck in the heat dissipation frame 3, so that the operator can easily disassemble and install the dustproof net 6.

[0025] like Figure 1 and Figure 3 As shown, the tops of the two heat dissipation frames 3 are symmetrically structured and fixedly connected to two support rods 15, the circumferential outer walls of the two support rods 15 are slidably sleeved with connecting sleeves 16, and waterproof covers 17 are provided on the tops of the two heat dissipation frames 3, and the bottoms of the two waterproof covers 17 are fixedly connected to the two support rods 15.

[0026] Working principle: by extending the ends of the heat dissipation frame 3 to the outside of the cabinet 1, inserting a dustproof net 6 inside the heat dissipation frame 3, and setting a drainage groove 13 on the inner wall of the heat dissipation frame 3, the height of the drainage groove 13 decreases from the inside to the outside, so as to effectively prevent rainwater from penetrating into the cabinet 1 in windy and rainy weather. Through the drainage groove 13, part of the rainwater entering the heat dissipation frame 3 can be discharged to the outside of the cabinet 1, so as to prevent the electrical components inside the cabinet 1 from malfunctioning due to rainwater;

[0027] By pushing the extrusion plate 10 upward, the extrusion plate 10 drives the connecting shaft 9 to rotate, so that the extrusion plate 10 is freed from the extrusion of the mounting plate 7. At this time, it is convenient for the operator to pull the dust screen 6 out of the heat dissipation frame 3;

[0028] After cleaning, the dustproof net 6 is inserted through the mounting hole 4 at the top of the heat dissipation frame 3 so that the bottom of the dustproof net 6 is stuck in the card slot 5, and the extrusion plate 10 is loosened. Under the torsion of the torsion spring 11, the top of the mounting plate 7 can be squeezed by the extrusion plate 10, so that the bottom of the dustproof net 6 can be tightly stuck in the heat dissipation frame 3, so that the operator can easily remove and install the dustproof net 6;

[0029] By providing the waterproof cover 17 , rainwater can be further prevented from entering the cabinet 1 , and by providing the blocking plate 14 , rainwater entering the heat dissipation frame 3 can be further blocked.

[0030] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An AC metal-enclosed switchgear cabinet, comprising a cabinet (1), characterized in that: Two heat dissipation holes (2) are symmetrically arranged on both sides of the outer wall of the cabinet (1); the inner walls of the two heat dissipation holes (2) are fixedly connected to two heat dissipation frames (3); the ends of the two heat dissipation frames (3) extend to the outside of the cabinet (1); the bottoms of the inner walls of the two heat dissipation frames (3) are provided with drainage grooves (13); the heights of the two drainage grooves (13) decrease from the inside to the outside; the tops of the two heat dissipation frames (3) are provided with mounting holes (4); the bottoms of the inner walls of the two heat dissipation frames (3) are provided with card slots (5); the inner walls of the two mounting holes (4) are plugged with dustproof nets (6); the bottoms of the two dustproof nets (6) are respectively card-engaged with the inner walls of the card slots (5); and the tops of the two dustproof nets (6) are fixedly connected to mounting plates (7).

2. The AC metal-enclosed switchgear cabinet according to claim 1, characterized in that: The bottom of the inner wall of the two heat dissipation frames (3) are both fixedly connected with a blocking plate (14), and the blocking plate (14) is installed on the upper end of the drainage groove (13).

3. The AC metal-enclosed switchgear cabinet according to claim 2, characterized in that: Two fixed blocks (8) are fixedly connected to the two sides of the cabinet (1) in a symmetrical structure. A connecting shaft (9) is rotatably connected between the two fixed blocks (8). The ends of the two connecting shafts (9) pass through the fixed blocks (8) and extend to the outside thereof. Torsion springs (11) are sleeved at both ends of the two connecting shafts (9). Limiting sleeves (12) are fixedly connected to both ends of the two connecting shafts (9). Extrusion plates (10) are fixedly connected to the circumferential outer walls of the two connecting shafts (9). The bottoms of the two extrusion plates (10) are respectively in extrusion contact with the top of the mounting plate (7).

4. The AC metal-enclosed switchgear cabinet according to claim 3 is characterized in that: One end of the torsion spring (11) is fixedly connected to the limiting sleeve (12), and the other end of the torsion spring (11) is fixedly connected to the fixing block (8).

5. The AC metal-enclosed switchgear cabinet according to claim 4, characterized in that: The tops of the two heat dissipation frames (3) are symmetrically structured and fixedly connected to two support rods (15); the circumferential outer walls of the two support rods (15) are slidably sleeved with connection sleeves (16); the tops of the two heat dissipation frames (3) are each provided with a waterproof cover (17); the bottoms of the two waterproof covers (17) are fixedly connected to the two support rods (15).

6. The AC metal-enclosed switchgear cabinet according to claim 5, characterized in that: A sunscreen (19) is fixedly connected to the top of the cabinet (1), and a cabinet door (18) is hingedly connected to the inner wall of the cabinet (1).

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